Fire-brick structure for furnaces



T. MATSON. FIRE BRICK TRUCTURE FOR FURNACES. IIIIIIIIIIIIIIIII AN. 25. 1921.

Patented Nov. 21, 1922* a I v 7 PATENT @FFMHg TAYLOR MATSON, 0F PHILADELPHIA, PENNSYLVANIA.

FIRE-BRICK STRUCTURE FOR FURNACES.

Application filed January 25, 1921.

To all whom it may concern:

Be it known that I, TAYLOR MA'rsoN, a citizen of the United States, residing in the city and county of Philadelphia, State of Pennsylvania, have invented a new and useful Fire-Brick Structure for Furnaces, of which the following is a specification.

My invention consists of a fire brick structure for the furnace of a hot water or steam boiler, the same being adapted to be located in position and made removable therefrom at the exterior of said furnace, the structure being formed of a series of fire bricks assembled in a comparatively cylindrical form, and ring-like plates adapted to clamp said bricks and preserve their formation and location, while, however, permitting the disassembling of the structure and its removal at the exterior of the furnace as above stated.

The invention is illustrated in the accompanying drawing, but the important instrun'ientalities thereof may be varied, and so it is to be understood that the invention is not limited to the specific details shown and d scribed, as long as they are within the spirit or scope of the claims.

Figure 1 represents a front elevation of a hot water or steam boiler showing the invention applied.

Figure 2 represents a horizontal section on line 2-2 Figure 1.

Figure 3 represents a bottom plan view of a portion of the upper clamping plates of the structure employed.

Figure 4 represents a top, plan view of a portion of the lower clamping plate of the structure employed.

Similar numerals of reference indicate corresponding parts in the figures.

Referring to the drawings.

1 designates the fire brick structure for a furnace preferably that of a hot water or steam boiler, the same consisting of a series of fire bricks 2 which are placed side by side after the manner of fire brick on the interior of a fire pot or combustion chamber of a furnace, yet appearing on the exterior of the furnace.

The bricks 2 are preferably of quadrilateral form whereby the resultant ring or hollow cylindrical effect with the frame 3 of the furnace door 4 produce a polygonal shaped figure of the form of an octagon in plan view. The bricks are interposed between the upper and lower annular or ring Serial No. 439,874.

shaped plates 5 on whose peripheries are the vertically extending flanges 6 which are adapted to embrace the outer sides of the upper and lower portions of said bricks and prevent outward spreading and displacement of the bricks and consequent disassembling of the same, in that direction.

Through said plates 5 are passed the vertically extending bolts 7 whose threaded ends are provided with nuts 8 which are adapted :to be tightened against the respective plate, in the present instance the lower plate, whereby said plates and consequently the bricks may be firmly clamped together as one.

The structure as thus formed is now adapted to be located on the ash pit 9 of the furnace, and to have the upper body 10 of the furnace located thereon when said body and ash pitmay be secured to the structure in any suitable manner.

Owing to the polygonal form of the ring or cylinder of fire bricks tapered or substantially V-shaped gaps or recesses 11 are left between the adjacent sides of the said bricks. Through said gaps the shanks of the bolts 7 are adapted to pass, thus avoiding piercing of the bricks, said gaps being filled with masses of fire brickmaterial 12, originally plastic and subsequently dried and embedding said shanks of the bolts therein said filling material alternating with the bricks and forming continuities with the out-er wall of the latter, thus closing said gaps and presenting an unbroken surface on the exterior of the structure, while the interior of the latter is unbroken owing to contact of the bricks at the inner corners thereof.

Should any or all of the bricks be burned out and replenishing of the same is desired, the body 10 may be raised and supported in elevated position and disconnected from the fire brick structure, or the ash pit 9 may be lowered into a suitable opening in the floor made for the purpose and disconnected from the fire brick structure, and the body held in normal position by suitable means. The structure may be displaced and the bolts 7 loosened and removed when the plates may be disconnected from the bricks the latter then being accessible, when the burnt out or fractured brick or bricks may be disassembled and fresh bricks substituted therefor. Then the plates are restored in the bricks, the nuts reapplied and tightened and the structure restored to normal position after which the bod 10 or ash pit 9 may be reconnected with t e structure. It is, however, evident that if either the body 10 or ash pit 9 are disconnected from the fire brick structure, the latter is accessible to remove a burnt out or fractured brick or bricks by unscrewing the bolts disconnecting the plates, displacing the desired brick or bricks, reapplying a fresh brick or bricks, restoring the plates and bolting the latter, the op eration in either case being 'ttCCOlllPliSllBCl from the exterior of the body 10 in contradist-inction to such operation from the interior of the latter, hence the accomplishment of the object in a most convenient easy and inexpensive manner.

In such operation if desired, the filling material 12 may remain in the gaps 11 or be cut out of the same according to circumstances.

Attention is directed to the fact that in a hot water heater or steam generator, the coal or fuel will drop from the upper body 10 thereof into the interior of the fire brick structure, where owing to the hot condition of the latter, the fuel will burn effectively, while otherwise, in said body it will remain unconsunied, thus causing a saving of coal and an increasedheatingcapacity of the fur nace.

If desired the inner periphery ofthe annular plates 5 and 6 may be provided with flanges shown in dotted lines Figures 3 and 4:, so as to embrace the inner sides of the upper and lower portions of the bricks and so prevent anypossibleinward displacement of the latter, but without preventing the removal of the plates and bricks in disassembling the structure.

Having thus describedmy invention what I-claim as new and desireto secure by Letters Patent, is:-

1. In a furnace, a fire-brick portion formed of a series of fire-bricks arranged in substantially cylindrical form with tapered recesses between contiguous faces thereof, said bricks extending to form the outer wall of the furnace, and filling material in said recesses and forming with said bricks the ex-- terior wall of the furnace.

2. In a furnace, a fire-brick portion formed of'a series of fire-br-icks arranged in substantially cylindrical form with tapered recesses between contiguous faces thereof, said bricks extending to form the outer wall of the furnace, filling material in said recesses and forming with said bricks the exterior wall of the furnace, and rings embracing the upper and lower edges of said bricks and filling.

3'. In a furnace, a fire -brick portion formed of a series of fire-bricks arranged in substantially cylindrical form with tapered recesses between contiguous faces thereof, said bricks extending to form the outer wall of the furnace, filling material in said recesses and forming with said bricks the exterior wall of the furnace, rings embracing the upper and lower edges of said bricks and filling, and bolts'passed through said rings and through the fillings and holding the parts fixedly in position.

4:. In a furnace, a fire -brick portion formed of a seriesof fire-bricks arranged in substantially cylindrical form with tapered recesses between contiguous faces thereof, said bricks extending to form the outer wall of the furnace, filling material in said recesses and forming with said bricks the exterior wall of the furnace, rings embracing the upper and lower edges of said bricks and filling, and bolts passed through said rings and through the fillings and holding the parts fixedly in position, said rings having oppositely disposed flanges embracing the upper and lower edges ofthe bricks.

5. In a furnace, a fire-brick portion formed of a series of fire-bricks arranged in substantially cylindrical form with tapered recesses between contiguous faces thereof, said bricks extending to form the outer wall of the furnace, filling material. in said recesses and forming with said bricks the exterior wall of the furnace, rings embracing the upper and lower edges of saidbricks and filling, and bolts passed; through said rings and throu h the fillings, and holding the parts firmly in position, said rings having oppositely disposed flanges embracing the upper and lower edges of the bricks, said rings having the inner walls of their flanges of angular form to conformto the inner faces of the bricks.

TAYLOR l\ I.A-TSON.

Witnesses JOHN A. ViEDERSHELM, N. BUSSINGER. 

